ffmpeg -i rtsp://admin:12345@192.168.0.11:554/Streaming/Channels/101 -c copy -f segment -break_non_keyframes 1 -segment_list_size 5 -segment_list video/a_out.m3u8 -segment_time 1 -window_size 1 -y video/a_out%3d.ts 2>a_log.txt & 
ffmpeg -i rtsp://admin:12345@192.168.0.11:554/Streaming/Channels/101 -c copy -f segment -break_non_keyframes 1 -segment_list_size 5 -segment_list video/b_out.m3u8 -segment_time 1 -window_size 1 -y video/b_out%3d.ts 2>b_log.txt & 
#ffmpeg -i rtsp://admin:12345@192.168.0.11:554/Streaming/Channels/101 -c copy -f segment -break_non_keyframes 1 -segment_list_size 5 -segment_list video/a_out.m3u8 -segment_time 1 -window_size 1 -y video/a_out%3d.ts 
